Privacy
No account, login, advertising scripts or analytics scripts. Answers and scores are stored only in your browser’s local storage. Clear site data to remove them.
When you choose to share, your score, correct/incorrect pattern and challenge link are sent to your selected share app or copied to the clipboard. Result images are created locally. Nothing is sent to another service before you share it.
The hosting provider may process IP addresses and request information to serve pages. External source websites have their own policies. A service worker caches previously visited pages and static files on your device.